:root{
  --bg:#f4f6f5; --panel:#fff; --line:#e3e7e5; --text:#18211d; --muted:#6b7772;
  --brand:#0f7b5f; --brand-2:#e6f3ef; --accent:#f2a516; --danger:#c8402f;
  --ia:#eef1ff; --ia-line:#c9d1ff; --me:#dff5ea; --client:#fff;
  --radius:12px; --shadow:0 1px 2px rgba(0,0,0,.04),0 4px 14px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
.hidden{display:none!important}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;border:1px solid var(--line);border-radius:8px;padding:9px 11px;background:#fff;color:var(--text);width:100%}
textarea{resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-2);border-color:var(--brand)}
code{background:var(--brand-2);padding:1px 5px;border-radius:4px}
.muted{color:var(--muted)} .small{font-size:12px} .pad{padding:0 24px}
.err{color:var(--danger);min-height:18px} .ok{color:var(--brand);font-weight:600}
.warn{background:#fff6e2;border:1px solid #f3d38b;padding:10px 12px;border-radius:8px;margin-bottom:12px}

.btn{border:1px solid var(--line);background:#fff;padding:9px 14px;border-radius:8px;font-weight:600}
.btn:hover{border-color:var(--brand)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.small{padding:6px 10px;font-size:12px;width:auto;white-space:nowrap}
.btn.danger{color:var(--danger)}
.chk{display:flex;gap:6px;align-items:center;font-size:13px;white-space:nowrap}
.chk input{width:auto}
.chk.big{font-size:15px;font-weight:600;margin-bottom:14px}

.brand{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.3px}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-2)}
.brand.big{font-size:22px;margin-bottom:6px}

/* Login */
.login{min-height:100%;display:grid;place-items:center;background:linear-gradient(160deg,#0f7b5f 0%,#0b5a46 100%)}
.login-card{background:#fff;padding:32px;border-radius:16px;width:min(360px,92vw);display:grid;gap:12px;box-shadow:0 20px 50px rgba(0,0,0,.25)}

/* Layout */
.app{display:flex;height:100vh}
.side{width:78px;background:#10241d;color:#cfe0d9;display:flex;flex-direction:column;align-items:center;padding:14px 6px;gap:4px}
.side .brand{color:#fff;margin-bottom:14px;font-size:13px}
.nav{position:relative;background:none;border:0;color:inherit;width:66px;padding:9px 0;border-radius:10px;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:18px}
.nav span{font-size:10.5px}
.nav:hover{background:#1c3a2f}
.nav.active{background:var(--brand);color:#fff}
.badge{position:absolute;top:4px;right:8px;background:var(--accent);color:#000;font-size:10px;border-radius:10px;padding:1px 6px}
.grow{flex:1}
.me{font-size:10px;text-align:center;opacity:.7;padding:4px}
main{flex:1;min-width:0;overflow:hidden}
.view{height:100%;overflow:auto}
.page-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 8px;gap:12px;flex-wrap:wrap}
.page-head h2{margin:0;font-size:20px}

/* Conversas */
.chats{display:flex;overflow:hidden}
.list{width:340px;border-right:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column}
.list-head{padding:12px;display:grid;gap:8px;border-bottom:1px solid var(--line)}
.filters{display:flex;gap:6px;align-items:center;justify-content:space-between}
.contacts{overflow:auto;flex:1}
.contact{padding:11px 14px;border-bottom:1px solid #f0f2f1;cursor:pointer;display:grid;grid-template-columns:1fr auto;gap:3px 8px}
.contact:hover{background:#f7faf9}
.contact.active{background:var(--brand-2)}
.contact .name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.contact .time{font-size:11px;color:var(--muted)}
.contact .last{font-size:12.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.contact .unread{background:var(--brand);color:#fff;border-radius:10px;font-size:11px;padding:0 7px;justify-self:end}
.tags{display:flex;gap:4px;grid-column:1/-1;flex-wrap:wrap}
.tag{font-size:10.5px;padding:2px 7px;border-radius:10px;background:#eef1f0;color:#40504a}
.tag.ia{background:var(--ia);color:#3a46a8}
.tag.wait{background:#fff1d1;color:#8a5a00}

.chat{flex:1;display:flex;flex-direction:column;min-width:0;background:#eef2f0}
.chat .empty{margin:auto;color:var(--muted)}
.chat-head{background:var(--panel);padding:10px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.chat-head .who{flex:1;min-width:0}
.chat-head .who b{display:block}
.toggle{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;background:var(--ia);border:1px solid var(--ia-line);padding:6px 10px;border-radius:20px;cursor:pointer;white-space:nowrap}
.toggle.off{background:#f3f3f3;border-color:var(--line);color:var(--muted)}
.msgs{flex:1;overflow:auto;padding:18px 6%;display:flex;flex-direction:column;gap:6px}
.msg{max-width:72%;padding:8px 11px;border-radius:10px;white-space:pre-wrap;word-wrap:break-word;line-height:1.42;box-shadow:0 1px 1px rgba(0,0,0,.05)}
.msg .meta{display:block;font-size:10.5px;color:var(--muted);margin-top:3px;text-align:right}
.msg.cliente{background:var(--client);align-self:flex-start;border-top-left-radius:3px}
.msg.humano{background:var(--me);align-self:flex-end;border-top-right-radius:3px}
.msg.ia{background:var(--ia);border:1px solid var(--ia-line);align-self:flex-end;border-top-right-radius:3px}
.day{align-self:center;font-size:11px;color:var(--muted);background:#fff;padding:3px 10px;border-radius:10px;margin:6px 0}
.composer{display:flex;gap:8px;padding:10px 14px;background:var(--panel);border-top:1px solid var(--line)}
.composer textarea{min-height:42px;max-height:140px}
.composer .btn{align-self:flex-end}

.details{width:290px;border-left:1px solid var(--line);background:var(--panel);overflow:auto;padding:16px;display:grid;gap:12px;align-content:start}
.details label{display:grid;gap:4px;font-size:12px;color:var(--muted);font-weight:500}
.details h3{margin:0;font-size:16px}

/* Funil */
.kanban{display:flex;gap:12px;padding:12px 24px 24px;overflow-x:auto;align-items:flex-start;min-height:calc(100% - 80px)}
.col{background:#e9eeec;border-radius:var(--radius);min-width:230px;width:230px;padding:10px;display:flex;flex-direction:column;gap:8px;max-height:calc(100vh - 110px)}
.col h4{margin:2px 4px 4px;font-size:13px;display:flex;justify-content:space-between}
.col .cards-in{overflow:auto;display:grid;gap:8px;min-height:40px}
.col.over{outline:2px dashed var(--brand)}
.kcard{background:#fff;border-radius:9px;padding:9px 10px;box-shadow:var(--shadow);cursor:grab;font-size:12.5px;display:grid;gap:3px}
.kcard b{font-size:13px}

/* Painel */
.dash{padding:8px 24px 24px;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.tile{background:#fff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.tile .n{font-size:28px;font-weight:700}
.tile.wide{grid-column:1/-1}
.bar{display:grid;grid-template-columns:150px 1fr 40px;gap:10px;align-items:center;margin:6px 0;font-size:13px}
.bar i{display:block;height:10px;border-radius:6px;background:var(--brand)}

/* Números */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px;padding:16px 24px}
.ncard{background:#fff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);display:grid;gap:10px}
.ncard img{width:100%;max-width:240px;justify-self:center}
.status{font-size:12px;font-weight:600;padding:3px 9px;border-radius:10px;justify-self:start}
.status.conectado{background:#daf3e7;color:#0b6a4f}
.status.aguardando_qr,.status.reconectando{background:#fff1d1;color:#8a5a00}
.status.desconectado,.status.bloqueado{background:#f6dcd8;color:var(--danger)}
.tag.out{background:#f6dcd8;color:var(--danger)}
.meter{display:grid;gap:5px;font-size:12.5px}
.meter i{display:block;height:8px;border-radius:6px;background:var(--brand);min-width:2px}
.meter i.full,.bar i.full{background:var(--danger)}
.warn .btn{margin-top:6px}
.actions{display:flex;gap:6px;flex-wrap:wrap}

/* Formulários */
.form{display:grid;gap:12px;max-width:860px}
.form label{display:grid;gap:5px;font-weight:500}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1;min-width:140px}
.row .btn{flex:0}
.table table{width:100%;max-width:860px;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:16px}
.table td,.table th{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}

.toast{position:fixed;bottom:20px;right:20px;background:#10241d;color:#fff;padding:12px 16px;border-radius:10px;box-shadow:var(--shadow);max-width:340px;z-index:50;cursor:pointer}
dialog{border:0;border-radius:14px;padding:22px;width:min(420px,92vw);box-shadow:0 20px 50px rgba(0,0,0,.25)}
dialog form{display:grid;gap:10px}
dialog::backdrop{background:rgba(0,0,0,.35)}

/* Celular */
@media (max-width:900px){
  .details{position:fixed;inset:0 0 0 auto;width:min(320px,90vw);z-index:20;box-shadow:-10px 0 30px rgba(0,0,0,.15)}
}
@media (max-width:720px){
  .app{flex-direction:column-reverse}
  .side{width:100%;flex-direction:row;height:62px;padding:4px;justify-content:space-around;overflow-x:auto}
  .side .brand,.me,.grow{display:none}
  .nav{width:auto;min-width:54px}
  main{height:calc(100vh - 62px)}
  .list{width:100%}
  .chats.open .list{display:none}
  .chats:not(.open) .chat{display:none}
  .msgs{padding:12px}
  .msg{max-width:88%}
  .pad,.page-head,.cards,.dash,.kanban{padding-left:16px;padding-right:16px}
}
.back{display:none}
@media (max-width:720px){.back{display:inline-block}}